Malicious PDF — malware analysis report

Static analysis result for SHA-256 07f4302c8e602d29…

MALICIOUS

PDF

74.4 KB Created: 2021-03-02 00:08:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: bfa351c67740bb018adc536337dd053d SHA-1: 2ecb166ac3946ae4a880009c06ded9207f066da0 SHA-256: 07f4302c8e602d29d18230c328dac41f397e50290d10cda06bb46c92b7242cdf
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body is heavily obfuscated, suggesting an attempt to hide its true purpose.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://kuzutuzo.ru/123?utm_term=what+kind+of+art+did+ancient+greece+have PDF link annotation
    • https://cdn.sqhk.co/rabuzopat/bjRjhZC/zedd_funny_lyrics.pdfIn PDF document text
    • https://cdn.sqhk.co/vapezuwe/fSgfDib/the_banner_saga_2_pc_gameplay.pdfIn PDF document text
    • http://mangalvpodarok.ru/wokijibelekege54rje.pdfIn PDF document text
    • https://cdn.sqhk.co/lexebogefaj/hehar18/28666272527.pdfIn PDF document text
    • https://cdn.sqhk.co/zepipawetopi/a18hegf/pixelmon_mod_addon_for_mcpe_pokecraft.pdfIn PDF document text
    • https://cdn.sqhk.co/gimexigerub/bhdjc8A/24948589499.pdfIn PDF document text
    • https://cdn.sqhk.co/zamikukodef/jbugdOT/slifer_the_sky_dragon_effect_anime.pdfIn PDF document text
    • https://cdn.sqhk.co/runenuti/jjDF2ij/bottle_flip_3d_mod_apk_1._17.pdfIn PDF document text
    • https://cdn.sqhk.co/solalokazili/cHCEOMO/riptide_gp2_trophy_guide.pdfIn PDF document text
    • https://cdn.sqhk.co/jiguluzufuwa/Xhcjdie/kewupekatogesatot.pdfIn PDF document text
    • http://goodsfor.life/harry_potter_5_full_moviep3w0q.pdfIn PDF document text
    • https://cdn.sqhk.co/dogutadova/Qdw5Fjd/77788786549.pdfIn PDF document text
    • https://cdn.sqhk.co/fufowomusixi/cA8jiHZ/wakaritukixivazofol.pdfIn PDF document text
    • http://tranquils.space/amd_radeon_r5_230_graphics_driverp8vhf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bifadiwuwileji/angular_form_control_disabled_input.pdfIn PDF document text
    • https://s3.amazonaws.com/jolunenafobuw/gifotipumigubefe.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e54a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE54A 5208 bytes
SHA-256: 4ac7c0117a1c495ad0354bf01ce0e9c6117b6d4ec67f801524a9321a1389b881
font_01_sfnt_off0000f715.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF715 10448 bytes
SHA-256: 19f9753541bb726db96326a248be9d0e5220edb83a68714569f434532027ab3a

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